42715963 has 2 divisors, whose sum is σ = 42715964. Its totient is φ = 42715962.

The previous prime is 42715961. The next prime is 42715993. The reversal of 42715963 is 36951724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42715963 - 2¹ = 42715961 is a prime.

Together with 42715961, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42715961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21357981 + 21357982.

It is an arithmetic number, because the mean of its divisors is an integer number (21357982).

Almost surely, 2^42715963 is an apocalyptic number.

42715963 is a deficient number, since it is larger than the sum of its proper divisors (1).

42715963 is an equidigital number, since it uses as much as digits as its factorization.

42715963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 42715963 is about 6535.7450225663. The cubic root of 42715963 is about 349.5667100794.

The spelling of 42715963 in words is "forty-two million, seven hundred fifteen thousand, nine hundred sixty-three".